Corrosion ProtectionAvailable as standard with galvanised body and bolts for the most arduous conditions.Stainless Steel Repair Clamp Simple to FitCaptive, non-rotating bolt head requires single spanner/ torque wrench to make installation simple with one bolt size (M12) across range and one bolt torque (55-65Nm) for all pipe materials.Stainless Steel Repair Clamp Reduces NoiseResilient gasket helps absorb both noise and vibration.